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 Replies: 35 / Views: 4,034 |
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Pillar of the Community
 United States
6514 Posts |
@pepactonius Having not taken chemistry in high school I've never heard of niobium. https://en.m.wikipedia.org/wiki/NiobiumCool coin. Says that niobium has comparable hardness to titanium. Impressive. Edited by chafemasterj
01/09/2021 4:07 pm
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Pillar of the Community
United States
9395 Posts |
Gimicky Canadian coins: Canada -- 25 dollars, 2015:   --------------- Canada -- 3 dollars, 2017:   ----------------------- Canada -- 20 dollars, 2018:   -------------------- Canada -- 20 dollars, 2019:   |
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Pillar of the Community
United States
9395 Posts |
Curved coins from the US: United States -- 5 dollars, 2019:   |
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Pillar of the Community
United States
9395 Posts |
Quote:
Having not taken chemistry in high school I've never heard of niobium. When I was little, it was sometimes called Columbium. |
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CCF Master Historian of USA Commemoratives
 United States
12313 Posts |
I don't recall ever adding anything weird to my collection - everything has been sensible and according to plan!  In terms of odd, however, I consider these coins a bit odd. They are, after all, missing a key component of their planchet! Something you don't see everyday!    I discussed details about the set previously; you can read them here: Bicentennial Clad Layer Missing Error Coins. Collecting history one coin or medal at a time! (c) commems. All rights reserved.
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Pillar of the Community
Australia
3831 Posts |
Ah the shu coins. It's a neat choice! Believe it or not, in 1500s Japan was supplying about 30% of the world's silver supply! This is a coin issued in 1863 in Akita Prefecture - 4 monme 6 bu ginban  I've been trying to get my hands on other Japanese silver coins but they do get pretty expensive. My partial coin collection http://www.omnicoin.com/collection/gxseriesMy numismatics articles and collection: http://www.gxseries.com/numis/numis_index.htmRegularly updated at least once a month. |
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Pillar of the Community
United States
7963 Posts |
Very interesting items!
Makes me feel very narrow-minded in my numismatic aims.
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Moderator
United States
189767 Posts |
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They are, after all, missing a key component of their planchet! Something you don't see everyday! Excellent!  |
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Moderator
Canada
10463 Posts |
I collect this 'odd' series... all devices are incuse, the fields are the highest points on the coin (outside of the rims). The 1, 2 and 5 ore coins are similar designs.   "Discovery follows discovery, each both raising and answering questions, each ending a long search, and each providing the new instruments for a new search." -- J. Robert OppenheimerContent of this post is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported License. See: http://creativecommons.org/licenses...0/deed.en_USMy eBay store
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Pillar of the Community
United States
6514 Posts |
Here's one I bought mostly because it looked cool but it could be argued that it's odd.   Check out my counterstamped Lincoln Cent collection: http://goccf.com/t/303507 |
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Pillar of the Community
Sweden
2124 Posts |
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I collect this 'odd' series... Haha, have never thought of those as odd - they were just the coppers that weighed down my pockets when I was a kid on my way to the candy store  |
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Moderator
United States
189767 Posts |
Quote:
I collect this 'odd' series... all devices are incuse, the fields are the highest points on the coin (outside of the rims). The 1, 2 and 5 ore coins are similar designs. Very interesting! |
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Moderator
Australia
16868 Posts |
My policy of "if it doesn't fit in a 2x2 I don't really want it" precludes me from getting the extremely odd numismatic items. I think the "oddest" piece I have on file is this one (sorry, I don;t have a pic of the obverse). It's a very-debased-silver stater issued by the Coriosolite refugees on Jersey, a Celtic tribe who were trying to flee from the Roman invasion of mainland Gaul.  Don't say "infinitely" when you mean "very"; otherwise, you'll have no word left when you want to talk about something really infinite. - C. S. Lewis
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Pillar of the Community
United States
9395 Posts |
Actually, you don't have to look too hard to find incuse: United States, 2.5 dollars, 1926:   |
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Moderator
United States
189767 Posts |
Quote:
Actually, you don't have to look too hard to find incuse: United States, 2.5 dollars, 1926: Great example! |
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Posted 01/09/2021 4:12 pm
